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371 - Responda: 40 × (8 + 6 × 7) + 9 = 67,25 - Responda: 50,35 + 16,90 = 16,147 - Responda: 34,720 - 18,573 = 26 - Responda: 50 + (38- 20) x 2 - [40 + 20] = 218 - Responda: 900 : 50 + 2 x 100 = 9 - Responda: 450 : { 40 + [ 300 - ( 240 + 50 ) ] } = 42,39 - Responda: 12,50 + 14,36 - 15,53 = 12 - Responda: 4² + ?25 - 3² = 46 - Responda: 3 x 8 – ?25 + 3³ = |